Ninetini
1oz Angostura® 1919 rum
1/2 oz Orange CuraÇao
2 oz Sweet n' Sour Mix
1/2 tsp. Sugar
2-3 dashes Angostura® aromatic bitters
Combine all ingredients in a shaker with ice.
Shake, strain and serve straight up or on the rocks. Garnish with an orange twist.